{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4962",
    "entityType": "User",
    "nonce": "0xd46cab5d54f01c891b32e228aa376f3629b312bfb819043e9f668707bf33c554",
    "signature": "0x67a780aaecc58855e3018e8f029a9304e34025a57c58dd9015cab666a5ea6d89177aee0a645cf068addfc75d3e0b51ab93433aae1be9bc02f124952ee7cc27f61b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}